Blog Building Based on Al egg Framework-Privilege Control

Related articles Blog Building Based on Al egg Framework (1) - Development PreparationsBuilding Blog Based on Al egg Framework (2) - Hello WorldBuilding Blog Based on Al egg Framework (3) - Registration and LoginBlog Building Based on Al egg Framework (4) - Privilege ControlBuilding Blog Based on Al egg Framework (5) - Top Navigation BarBuildin ...

Posted by ingoruberg on Sun, 13 Oct 2019 21:15:57 -0700

Introduction to Lodash and summary of the most commonly used methods

I. Introduction of Lodash: Lodash is a set of tool library, which encapsulates many processing functions for common data types, such as strings, arrays, objects and so on, to help developers reduce the difficulty of using JS. Introduction to Lodash: Take Vue-cli as an example: 1,yarn install lodash2. Introduce and use in main.js import _ from ' ...

Posted by rob_maguire on Mon, 14 Oct 2019 01:20:59 -0700

How does Redis actually achieve the function of "nearby people"?

Preface For the application scenario of "nearby people" in the field of location-based services, many spatial indexes such as PG, MySQL and Mongo DB can be used to implement it. Redis, which combines its ordered queue zset and geohash coding, achieves the function of spatial search and has a very high operational efficiency. This pap ...

Posted by reidme on Mon, 14 Oct 2019 03:14:34 -0700

MySQL database master-slave synchronization process

Following up the following article: Backup database for introduction to MySQL database Installation environment instructions System environment: [root@~]# cat /etc/redhat-release CentOS release 6.5 (Final) [root@~]# uname -r 2.6.32-431.el6.x86_64 Database: Because it is a simulated environment, the master and slave libraries are on the same se ...

Posted by likethegoddess on Sun, 13 Oct 2019 20:22:25 -0700

Shell Programming case Multi-Branch Statement, Loop Statement (for, while, etc.), Shell Function, Shell Array

case multi-branch statement The structure of case statement: Execute different command lines for different values of variables case variable value in Mode 1) Command Sequence 1 ;; Mode 2) Command Sequence 2 ;; ..... *) Default command sequence esac Example: Character type recognition: Prompt the user to enter a character ...

Posted by merrydown on Sun, 13 Oct 2019 18:14:14 -0700